/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2025 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "adc.h"
#include "spi.h"
#include "tim.h"
#include "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include <stdio.h>
#include <string.h>

#include "miscdev.h"
#include "ds18b20.h"
#include "sht20.h"
#include "w25q.h"
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
uint8_t g_rxch; /* HAL_UART_Receive_IT(): 系统会配置UART外设，使其在接收到1个字节数据时触发中断 */
uint8_t g_rxbuf[256]; /* UART3 receive data buffer */
uint8_t g_rxbytes; /* UART3 receive data bytes */


void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
	if(huart == &huart3)
	{
		/* clear buffer if it's full */
		if(g_rxbytes >= sizeof(g_rxbuf))
			g_rxbytes = 0;

		/* Receive a byte data by interrupt */
		HAL_UART_Receive_IT(huart, &g_rxch, 1);

		/* Put this data info receive buffer */
		g_rxbuf[g_rxbytes++] = g_rxch;
	}

}

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{

  /* USER CODE BEGIN 1 */
	//static uint8_t relay1_status = OFF;
	//uint32_t	lux,noisy;
	//uint32_t	last_trigger_time = 0;
	//int			rv;
	//float		temperature, humidity;
  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_USART1_UART_Init();
  MX_ADC1_Init();
  MX_TIM6_Init();
  MX_TIM1_Init();
  MX_SPI1_Init();
  MX_USART3_UART_Init();
  /* USER CODE BEGIN 2 */

  {
	  uint8_t 	txbuf[16];
	  int		i;

	  /* 配置UART并启用中断
	   * 为什么在回调函数里还要再调用一次该函数：因为HAL库的中断接收是一次性的
	   * 调用HAL_UART_Receive_IT（）启用一次中断，中断被触发，回调函数执行；
	   * 系统会自动禁用该中断（防止重复触发）
	   * 如果需要继续接收数据，必须再次调用HAL_UART_Receive_IT（）
	   * 这种设计模式被称为“单字节中断接收模式，适合处理不定长数据”
	   */
	  HAL_UART_Receive_IT(&huart3, &g_rxch, 1);

	  /* Set UART3 send data */
	  printf("UART3 send %d bytes data==>\r\n", sizeof(txbuf));
	  for(i=0; i<sizeof(txbuf); i++)
	  {
		  txbuf[i] = i + 0x60;
		  printf("0x%02x ", txbuf[i]);
	  }
	  printf("\r\n");

	  /* Send data from UART3 */
	  HAL_UART_Transmit(&huart3, txbuf, sizeof(txbuf), 0xFFFFFFFF);

	  /* Check receive data from UART3 by interrupt */
	  if(g_rxbytes > 0)
	  {
		  printf("UART3 receive %d bytes data<==\r\n", g_rxbytes);
		  for(i=0; i<g_rxbytes; i++)
		  {
			  printf("0x%02x ", g_rxbuf[i]);
		  }
		  printf("\r\n");
	  }

  }

  do {} while(1);

  //beep_start(2, 300);

  //spinor_test();

  //do {} while(1);


  /* Turn on relay after 1 second */

  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
	  /*
	  rv = sht20_sample_Trh(&temperature, &humidity);
	  if( rv )
		  printf("ERROR:SHT20 sample data failure, rv = %d\r\n", rv);
	  else
		  printf("SHT20 sample temperature: %.2f relative humidity:%.1f%%\r\n", temperature, humidity);

	  HAL_Delay(1000);
	  */

    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** Configure the main internal regulator output voltage
  */
  if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLM = 1;
  RCC_OscInitStruct.PLL.PLLN = 20;
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
  RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
  RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
  {
    Error_Handler();
  }
}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
